Follicular tonsillitis - covid patient.

Hi, I got tested +ve for covid 8 days back. From last one week I am sufferring with severe throat pain and unable to swallow even fluids also. I have comsulted a ENT specialist. He said i have accute follicular tonsillitis and prescribed some antibiotic and pain killers. But still there is no improvement in my condition. From today my condition became worst and i am not able to take medicines also. Please suggest me what i can do to improve my condition. I am using below medicines: 1. Tab Favicovid 400: 1st day: 4 - 4 From 2nd to 7th day: 2 - 2 After food 2. Tab Etorby plus : 1--1 for 5 days after food 3. Cap Pantop DSR:1-1 before food 4. Tab Allegra 180: 1-1for 5 days 5. Tab Ceftum 500: 1-1 for 5 days after food + Vit C, zincovit, B complex, Vit D( weekly once)